A company is setting up an assembly line to produce 100 units/hour. The table shown below identifies the work elements, times, and immediate predecessors.
a) What cycle time is needed to satisfy the required output?
b) What is the theoretical minimum number of stations?
c) Use one of the heuristic decision rules to balance the assembly line so that it will produce 100 units /hour.
d) What is the efficiency of the line you found in part c?
|
Work Element
|
Time (Sec.)
|
Immediate Predecessor(s)
|
|
A
|
21
|
---
|
|
B
|
20
|
A
|
|
C
|
30
|
A
|
|
D
|
20
|
B
|
|
E
|
4
|
B
|
|
F
|
15
|
C
|
|
G
|
10
|
C
|
|
H
|
8
|
D,E
|
|
I
|
12
|
F,G
|
|
J
|
20
|
H,I
|